At 457 K, the Value of K C Is 302

At 457 K, the value of K c is 302 for the reaction:
CO (g) + H₂ O (g) CO₂ (g) + H₂ (g)
Equal concentrations of CO and H₂ O are placed in an empty container at 457 K. If the equilibrium concentration of CO₂ is 4.60 M , what is CO at equilibrium?

A) 1.52×10 ^{- 2} M
B) 0.265 M
C) 6.39×10⁴ M
D) 1.39×10³ M
E) not enough information is given